摘要:
A thin film magnetic head is able to control occurrence of Barkhausen noises attributable to configuration magnetic anisotropy of an upper shield layer. An inductive head is provided with a magnetic material layer having a space for forming a coil layer thereon. A very narrow gap is provided between a front separate layer that opposes a magnetic recording medium and a rear separate layer that opposes the front separate layer. The front separate layer serves also as an upper shield layer of an MR head and a lower core layer of the inductive head.
摘要:
A through hole 5 formed in a substrate and having an electrode film on an inner surface thereof is cut and divided into two through holes or blind holes each of substantially semicircular arc shape through dicing processing using a rotating blade, and one of the-divided through holes 5 of substantially semicircular arc shape is used as an external connection terminal 3 of substantially semicircular concave arc shape thereby to form a surface mounted electronic parts having a plurality of the external connection terminals 3. The height H of the substantially semicircular arc formed at an inner surface of each of the external connection terminals is set to be equal to or smaller than a value obtained by subtracting twice a thickness t of the electrode film from a radius R of a curvature of the arc.
摘要:
A process of treating a substrate having photoresist applied thereto, comprising the steps of:(a) removing said photoresist from said substrate by a method selected from the group consisting of photoresist stripping, plasma etch residue cleaning, or a combination thereof; and(b) rinsing said substrate with a non-corrosive rinsing composition comprising(1) water; and(2) one or more water-soluble corrosion inhibitors selected from the group consisting essentially of hydroxylamine, at least one hydroxylammonium salt, at least one water-soluble organic acid, at least one amino acid, and combinations thereof.
摘要:
A non-corrosive photoresist composition containing:(a) 20-70% by weight of an organic polar solvent having a dipole moment of more than 3.5;(b) 70-20% by weight of selected amine compounds;(c) an effective amount of a chelating reagent comprising a mono- or poly-valent acid type of ligand covalently attached to a polymeric or oligomeric backbone; and(d) optionally 0-10% by weight of selected amino acid having a hydroxyl group.
摘要:
A chemically amplified-type radiation-sensitive composition comprising:(a) an alkali-soluble binder resin made by a condensation reaction of:(i) hydroxystyrene moiety having formula [1] or [2]: ##STR1## wherein x is an integer from 2 to 300; with (ii) a monomethylolated phenolic compound having a formula [8]: ##STR2## wherein R.sub.1 and R.sub.2 are individually selected from the group consisting of lower alkyl group having 1-4 carbon atoms, lower alkoxy group having 1-4 carbon atoms, amino group, and carboxylic acid group; wherein R.sub.3 and R.sub.4 are individually selected from the group consisting of hydrogen, lower alkyl group having 1-4 carbon atoms, lower alkoxy groups having 1-4 carbon atoms, an amino group, and a carboxylic group; and wherein a mole ratio of the hydroxystyrene moiety to the monomethylolated phenolic compound is from about 1:10 to about 10:1;(b) at least one alkaline dissolution inhibitor containing acid-cleavable groups; and(c) at least one compound that results in generation of an acidic moiety under irradiation.
摘要:
A non-corrosive photoresist composition containing:(a) 20-70% by weight of an organic polar solvent having a dipole moment of more than 3.5;(b) 70-20% by weight of selected amine compounds;(c) 0.1-10% by weight of (2-benzothiozolylthio)succinic acid.
摘要:
A method of removing metal impurities from a resist component, comprising the steps of:(a) dissolving said resist component in a solvent;(b) contacting said resist component solution with a cation exchange resin and a chelate resin for a sufficient amount of time to absorb at least a portion of said metal impurities onto said cation exchange and chelate resins; and(c) separating said cation exchange and chelate resins bearing said metal impurities from said resist component solution.
摘要:
An alkali-soluble binder resin made by a condensation reaction of hydroxy styrene moiety having formulae (I) or (II): ##STR1## wherein x is an integer from 2 to 300; with a monomethylolated phenolic compound having a formula (III): ##STR2## wherein R.sub.1 and R.sub.2 are individually selected from the group consisting of lower alkyl group having 1-4 carbon atoms, lower alkoxy group having 1-4 carbon atoms, amino group, and carboxylic acid group; wherein R.sub.3 and R.sub.4 are individually selected from the group consisting of hydrogen, lower alkyl group having 1-4 carbon atoms, lower alkoxy groups having 1-4 carbon atoms, an amino group, and a carboxylic group; and wherein the mole ratio of the hydroxy styrene moiety to the monomethylolated phenolic compound is from about 1:10 to about 10:1.
摘要:
A high voltage power supply system includes a DC-to-DC converter for producing a DC low voltage, a DC-to-AC inverter connected to a step-up transformer for producing an AC high voltage by transforming an AC low voltage obtained from the DC low voltage, and an inverter controller for controlling an operation time period of the DC-to-AC inverter longer than that of the DC-to-DC converter. Since a residual charge stored in a capacitor of the DC-to-DC converter is rapidly discharged by lengthening the operation time period of the DC-to-AC inverter, an unwanted AC high voltage is induced at a secondary winding of the step-up transformer.
摘要:
A driving apparatus for a hybrid vehicle includes an engine shaft, a generator shaft and an idler shaft, which are arranged in parallel. The generator shaft includes at least an inner shaft and a hollow outer shaft which is attached rotatably relative to the inner shaft. The engine shaft connected to the crank shaft of an engine is engaged, through a generator driving gear, to the inner shaft which is coaxially provided with a generator. The outer shaft of the generator shaft which is coaxially provided with a motor is engaged to the idler shaft through a motor driving force transmission gear. The engine shaft and idler shaft are engaged to each other through an engine driving force transmission gear. The idler shaft and a differential device are engaged each other through a final gear. The differential device is connected to driving wheels, through a differential axles. The engine shaft has a clutch which serves to engage or disengage the power between the engine shaft and idler shaft through the engine driving force transmission gear.